Safety hazards that are frequently found in science classrooms are addressed in this digest which updates and supplements the 1980 ERIC/SMEAC information bulletin "Safety in the Science Classroom." Information obtained from journal articles and safety guides is presented in the categories of: (1) risks involved in science activities; (2) hazards in chemistry classrooms; (3) hazards in physics classrooms; (4) hazards in biology classrooms; (5) fire; and (6) resources for teachers. Various publications related to safety and safety hazards in science that are available in the ERIC database are identified and described. Guide questions that assist in an assessment of a teacher's familiarity with safety in the science classroom are also provided. A list of 20 references concludes the digest. (ML)